S
M
T
W
T
F
S
26
67°
40°
27
70°
47°
28
63°
36°
29
65°
34°
30
56°
40°
1
67°
39°
2
73°
35°
3
85°
47°
4
88°
47°
5
59°
41°
6
50°
38°
7
79°
36°
8
79°
47°
9
88°
49°
10
71°
47°
11
80°
42°
12
90°
56°
13
85°
52°
14
98°
60°
15
95°
58°
16
95°
58°
17
99°
68°
18
91°
48°
19
68°
41°
20
69°
39°
21
64°
52°
22
71°
51°
23
76°
50°
24
89°
59°
25
88°
59°
26
82°
58°
27
72°
60°
28
74°
60°
29
82°
62°
30
84°
60°
31
81°
59°
1
79°
58°
2
79°
57°
3
82°
58°
4
84°
60°
5
86°
61°
6
85°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cimarron
Cimarron's May 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 57° and 62°. The average high for May is 82° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Cimarron. See also: June | July | August.